He ____ unwisely, but he was at least trying to do something helpful.(1999.TEM-4)
A. may have acted
B. must have acted
C. should act
D. would act
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We thought that they ____ home by five o’clock, but there was no reply when we phoned.
A. would have got
B. will have got
C. may get
D. might get
Surely nothing ____ going on there at 11 o’clock last night.
A. could be
B. must be
C. need be
D. shall be
He said he ____ for 20 years by this summer.
A. will have been teaching
B. could have taught
C. would have been teaching
D. should have been teaching
It’s raining hard outside. You ____ stay here for the night.
A. might well
B. might as well
C. are justified
D. might just
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